Signed-off-by: Tom St Denis <tom.stde...@amd.com>
---
doc/umr.1 | 3 ++-
src/app/main.c | 9 ++++++++-
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/doc/umr.1 b/doc/umr.1
index 83706b887894..f1f5fec55946 100644
--- a/doc/umr.1
+++ b/doc/umr.1
@@ -115,7 +115,8 @@ Write 'size' bytes (in hex) to the address specified (in
hexadecimal) to VRAM
from stdin.
.IP "--vm-disasm, -vdis [<vmid>@]<address> <size>"
-Disassemble 'size' bytes (in hex) from a given address (in hex).
+Disassemble 'size' bytes (in hex) from a given address (in hex). The size can
be
+specified as zero to have umr try and compute the shader size.
.IP "--update, -u" <filename>
Specify update file to add, change, or delete registers from the register
diff --git a/src/app/main.c b/src/app/main.c
index 81ebc4c5bf42..600f3ca02988 100644
--- a/src/app/main.c
+++ b/src/app/main.c
@@ -489,6 +489,12 @@ int main(int argc, char **argv)
vmid |= UMR_USER_HUB;
sscanf(argv[i+2], "%"SCNx32, &size);
+ if (!size) {
+ struct umr_shaders_pgm shader;
+ shader.vmid = vmid;
+ shader.addr = address;
+ size = umr_compute_shader_size(asic,
&shader);
+ }
umr_vm_disasm(asic, vmid, address, 0, size);
i += 2;
@@ -573,7 +579,8 @@ int main(int argc, char **argv)
"\n\t--vm-write, -vw [<vmid>@]<address> <size>"
"\n\t\tWrite 'size' bytes (in hex) to a given address (in hex) from
stdin.\n"
"\n\t--vm-disasm, -vdis [<vmid>@]<address> <size>"
- "\n\t\tDisassemble 'size' bytes (in hex) from a given address (in
hex).\n"
+ "\n\t\tDisassemble 'size' bytes (in hex) from a given address (in hex).
The size can"
+ "\n\t\tbe specified as zero to have umr try and compute the shader
size.\n"
"\n\t--option -O <string>[,<string>,...]\n\t\tEnable various flags: bits,
bitsfull, empty_log, follow, no_follow_ib, named, many,"
"\n\t\tuse_pci, use_colour, read_smc, quiet, no_kernel, verbose,
halt_waves, disasm_early_term.\n"
"\n\n", UMR_BUILD_VER, UMR_BUILD_REV);
--
2.14.3
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